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16277245 = 517191497
BaseRepresentation
bin111110000101…
…111011111101
31010121222011221
4332011323331
513131332440
61340513341
7255232345
oct76057375
933558157
1016277245
119208376
12554b851
1334abb0a
142239d25
151667d4a
hexf85efd

16277245 has 8 divisors (see below), whose sum is σ = 20681784. Its totient is φ = 12255744.

The previous prime is 16277237. The next prime is 16277249. The reversal of 16277245 is 54277261.

It can be written as a sum of positive squares in 4 ways, for example, as 737881 + 15539364 = 859^2 + 3942^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16277245 - 23 = 16277237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16277245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16277249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95664 + ... + 95833.

It is an arithmetic number, because the mean of its divisors is an integer number (2585223).

Almost surely, 216277245 is an apocalyptic number.

It is an amenable number.

16277245 is a deficient number, since it is larger than the sum of its proper divisors (4404539).

16277245 is a wasteful number, since it uses less digits than its factorization.

16277245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191519.

The product of its digits is 23520, while the sum is 34.

The square root of 16277245 is about 4034.5067852217. The cubic root of 16277245 is about 253.4313284703.

The spelling of 16277245 in words is "sixteen million, two hundred seventy-seven thousand, two hundred forty-five".

Divisors: 1 5 17 85 191497 957485 3255449 16277245